ATE142930T1 - HAND CIRCULAR SAW WITH RIFTING WEDGE DRIVE MECHANISM - Google Patents

HAND CIRCULAR SAW WITH RIFTING WEDGE DRIVE MECHANISM

Info

Publication number
ATE142930T1
ATE142930T1 AT93310375T AT93310375T ATE142930T1 AT E142930 T1 ATE142930 T1 AT E142930T1 AT 93310375 T AT93310375 T AT 93310375T AT 93310375 T AT93310375 T AT 93310375T AT E142930 T1 ATE142930 T1 AT E142930T1
Authority
AT
Austria
Prior art keywords
gear case
rifting
shoe
drive mechanism
depth
Prior art date
Application number
AT93310375T
Other languages
German (de)
Inventor
William D Sauerwein
William R Stumpf
Original Assignee
Black & Decker Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Black & Decker Inc filed Critical Black & Decker Inc
Application granted granted Critical
Publication of ATE142930T1 publication Critical patent/ATE142930T1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
    • B27G19/08—Accessories for keeping open the saw kerf, e.g. riving knives or wedge plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
    • B27G19/02—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws for circular saws
    • B27G19/04—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws for circular saws for manually-operated power-driven circular saws

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)
  • Surgical Instruments (AREA)
  • Harvester Elements (AREA)

Abstract

The saw includes motor-and-gear case pivotally supported on a guide shoe by a rear pivot mechanism for rotation about a transverse rear pivot axis, thus allowing for selective adjustment of the blade cutting depth on the opposite side of the shoe. The depth of cut setting is increased and decreased when the motor-and-gear case is rotated relative to the shoe in respective first and second directions, while an upper pivotal blade guard, which is mounted on the motor-and-gear case for rotation about the spindle, rotates in opposite rotational directions in response to respective increases and decreases in the depth of cut setting.
AT93310375T 1992-12-23 1993-12-21 HAND CIRCULAR SAW WITH RIFTING WEDGE DRIVE MECHANISM ATE142930T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/995,499 US5235752A (en) 1992-12-23 1992-12-23 Riving knife drive mechanism for a portable circular saw

Publications (1)

Publication Number Publication Date
ATE142930T1 true ATE142930T1 (en) 1996-10-15

Family

ID=25541895

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93310375T ATE142930T1 (en) 1992-12-23 1993-12-21 HAND CIRCULAR SAW WITH RIFTING WEDGE DRIVE MECHANISM

Country Status (5)

Country Link
US (1) US5235752A (en)
EP (1) EP0605998B1 (en)
AT (1) ATE142930T1 (en)
CA (1) CA2112144A1 (en)
DE (1) DE69304882T2 (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5581891A (en) * 1994-08-12 1996-12-10 Black & Decker Inc. Hedge trimmer with combination shearing and sawing blade assembly
AUPP892999A0 (en) * 1999-02-26 1999-03-25 Triton Technologies Pty Ltd Adjustment mechanism for a saw
AU759288B2 (en) * 1999-02-26 2003-04-10 Power Box Ag Adjustment mechanism for a saw
US6536120B1 (en) * 2000-10-27 2003-03-25 Steven J. Langis Powered circular saw for left or right handed operation
US6709560B2 (en) * 2001-04-18 2004-03-23 Biosource, Inc. Charge barrier flow-through capacitor
JP4283464B2 (en) * 2001-08-02 2009-06-24 株式会社マキタ Marunoco
DE102005009284B3 (en) * 2005-02-22 2006-04-20 Flex-Elektrowerkzeuge Gmbh Hand tool machine to put in grooves or cuts, method to set cutting possibilities using said machine, has hinged drive motor and feed device to pull and then push in object to be worked
US7437981B2 (en) * 2005-11-21 2008-10-21 Robert Bosch Gmbh Modular guard system and apparatus for a power saw
US7600456B2 (en) 2005-11-21 2009-10-13 Robert Bosch Gmbh Modular guard system for a power saw
US8091456B2 (en) 2008-03-25 2012-01-10 Power Tool Institute Safety devices for saws
US8082826B2 (en) 2008-03-25 2011-12-27 Power Tool Institute Saw accessories and clamp for use therewith
US8230607B2 (en) 2008-05-09 2012-07-31 Milwaukee Electric Tool Corporation Keyless blade clamp for a power tool
US8127648B2 (en) * 2008-07-31 2012-03-06 Robert Bosch Gmbh Table saw guard system
JP5120781B2 (en) * 2008-07-31 2013-01-16 日立工機株式会社 Portable cutting machine
JP5252375B2 (en) * 2008-12-26 2013-07-31 日立工機株式会社 Portable cutting machine
JP5396643B2 (en) * 2009-03-05 2014-01-22 マックス株式会社 Portable cutting machine
US20110010951A1 (en) * 2009-07-15 2011-01-20 Ryan Harrison Locking shoe for reciprocating saw
CN102114555B (en) * 2010-01-04 2014-05-28 泉峰(中国)贸易有限公司 Electric tool
DE102011086337A1 (en) * 2011-11-15 2013-05-16 Robert Bosch Gmbh Cutting depth limiter
EP3173188A1 (en) * 2015-11-25 2017-05-31 HILTI Aktiengesellschaft Portable, hand held cutting-off machine
DE102017201493A1 (en) * 2017-01-31 2018-08-02 Robert Bosch Gmbh Circular saw, in particular circular saw
US10875109B1 (en) 2018-04-30 2020-12-29 Kreg Enterprises, Inc. Adaptive cutting system
CN110235740B (en) * 2019-07-29 2024-05-07 永康市家乐美工贸有限公司 Antiwind electric rubber tapping knife

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH276786A (en) * 1948-10-01 1951-07-31 Reich Maschf Gmbh Karl Circular saw, in particular hand-held circular saw.
FR998997A (en) * 1949-09-23 1952-01-24
DE1403722A1 (en) * 1961-08-08 1969-01-09 Reich Maschf Gmbh Karl Circular saw
DE2533296A1 (en) * 1975-07-25 1977-02-10 Licentia Gmbh Manually operated powered circular saw - has geared depth adjustment bracket on saw blade protection hood
IT1190801B (en) * 1982-05-04 1988-02-24 Star Utensili Elett PORTABLE CIRCULAR SAW WITH PERFECTED DIVIDING KNIFE
DE3806814A1 (en) * 1988-03-03 1989-09-14 Reich Maschf Gmbh Karl Annular circular saw with riving knife
DE3912307A1 (en) * 1989-04-14 1990-10-25 Metabowerke Kg Splitting knife support mechanism for circular saw - has simple spring-loaded cam system for optimum positioning of knife

Also Published As

Publication number Publication date
DE69304882T2 (en) 1997-02-06
US5235752A (en) 1993-08-17
EP0605998B1 (en) 1996-09-18
DE69304882D1 (en) 1996-10-24
CA2112144A1 (en) 1994-06-24
EP0605998A1 (en) 1994-07-13

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties